#define _CRT_SECURE_NO_WARNINGS 1
/**
*      author: Y_Yao
*      created: 2025-02-28 11:29:49
**/

#include<bits/stdc++.h>

#define int LL
using namespace std;
using LL = long long;
const LL LLINF = 1e18;
const int INF = 0x3f3f3f3f;
const int N = 5e5 + 7;
string s;
int n, q;

void solve()
{
    cin >> n;
    cin >> s;
    vector<pair<int, char>> a(n);
    for (int i = 0;i < s.size();i++)
    {
        a[i] = { 0,s[i] };
    }
    cin >> q;
    optional<pair<int, int>> cur = nullopt;
    for (int j = 0;j < q;j++)
    {
        int t, i;
        char c;
        cin >> t >> i >> c;
        if (t == 1)
        {
            a[i - 1] = { j,c };
        }
        else // small to big
        {
            cur = { j,t };
        }
    }

    for (auto& [time, c] : a)
    {
        if (!cur || time > cur->first)
        {
            cout << c;
        }
        else if (cur->second == 2)
        {
            cout << (char)tolower(c);
        }
        else cout << (char)toupper(c);
    }
}

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);

    int t = 1;
    //cin >> t;
    while (t--)
    {
        solve();
    }
    return 0;
}